radian measure   3 videos

• 

  Measurement of Heat

  Physics Heat and Thermodynamics

  How to measure heat.

  measurement heat calorie
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  Charge Transfer - Electroscope

  Physics Electricity

  Understanding how charge is transferred through an electroscope.

  charge transfer electroscope measure
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  Barometer

  Physics Solids, Liquids and Gases

  How to use barometers to measure pressure.

  barometer pressure atmospheric gauge